Tire tread



FIG. 1 is a perspective view of a tire tread, it being understood that the tread pattern repeats uniformly throughout the circumference of the tire.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a left side elevation view, the right side elevation view being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary front view thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 